The Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST) will map sources in multiband colour–variability space.
SETI & Technosignatures
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Habitable Zones, SETI & Technosignatures, Status Report, Terraforming & Geoengineering
Exploring The Orbital Stability Of Large, Lightweight Mirrors Around Exoplanets
Extraterrestrial civilizations might place large, lightweight mirrors into orbit around an exoplanet, either to alter its climate or to provide illumination to the planet’s dark side. We previously analyzed the […]
Posted inAstronomy & Telescopes, Biosignatures & Paleobiology, Intelligence & Language, Interstellar, SETI & Technosignatures, Status Report
The Ohio SETI Program — The Last Decades
The Ohio State University Radio Observatory (OSURO), known as the Big Ear, played a pivotal role in both radio astronomy and the Search for Extraterrestrial Intelligence (SETI).
Posted inAstrobiology (general), Biosignatures & Paleobiology, Gaia - Planetary Perspectives, Origin & Evolution of Life, SETI & Technosignatures, Status Report
Life Out There: Expectations And Reality
We are in the age of the direct and indirect search for extraterrestrial life. The major question is: what are we looking for and to what extent can life on […]
Posted inAstronomy & Telescopes, Biosignatures & Paleobiology, SETI & Technosignatures, Status Report
All-Sky Ultra-Narrowband Spectral Imaging with the OVRO-LWA: Technosignature Constraints and Axion-Like Particle Prospects
We present an imaging-domain search for technosignatures at decametric wavelengths with the OVRO-LWA, targeting ultra-narrowband continuous-wave signals between 50 and 86 MHz.
Posted inAstrobiology (general), Education and Outreach, Intelligence & Language, Policy, Press Release, SETI & Technosignatures
Updated Rules for Evaluating and Revealing the Detection of Extraterrestrial Intelligence
The IAA SETI Committee announced today updated rules for evaluating and revealing the detection of extraterrestrial intelligence.
Posted inAstrochemistry, Astronomy & Telescopes, Biosignatures & Paleobiology, Comets and Asteroids, Imaging & Spectroscopy, Intelligence & Language, Interstellar, Press Release, SETI & Technosignatures
SETI Institute Looks for Signs of Technology in Interstellar Visitor 3I/ATLAS
Scientists at the SETI Institute searched for technological signals from 3I/ATLAS, the third interstellar object observed in our Solar System.
Posted inAstronomy & Telescopes, Biosignatures & Paleobiology, Intelligence & Language, Interstellar, Nanotechnology & SynBio, Sample Return, SETI & Technosignatures, Status Report
Some Thoughts on the Future of Technosignature Searches: Constraining the Fermi Paradox
This paper examines how future technosignature searches may constrain competing resolutions of the Fermi Paradox, with particular attention to the possibility that technologically capable entities (TCEs) are either intrinsically rare […]
Posted inIntelligence & Language, Interstellar, Origin & Evolution of Life, SETI & Technosignatures, Status Report
Algorithmic Bottlenecks In Evolution: Genetic code, Symbolic Language, And The GreatFilter Hypothesis
The Great Filter hypothesis proposes that the emergence of technological societies capable of interstellar travel depends on a small number of exceptionally hard and highly improbable steps.
Posted inAstronomy & Telescopes, Biosignatures & Paleobiology, Imaging & Spectroscopy, Interstellar, SETI & Technosignatures, Status Report
The Search For Technosignatures: A Review Of Possibilities
This paper aims to review the diverse range of technosignatures that have been proposed in the literature.